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Finding the Fourth Proportional to 1,065,406,345,120, 1,598,109,517,680 and 1,065,406,345,120

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Solution

The fourth proportional to 1,065,406,345,120, 1,598,109,517,680 and 1,065,406,345,120 is: 1,598,109,517,680

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,406,345,120 : 1,598,109,517,680 = 1,065,406,345,120 : x
  2. Step 2: Convert to fraction form
    1,065,406,345,120/1,598,109,517,680 = 1,065,406,345,120/x
  3. Step 3: Cross multiply
    1,065,406,345,120x = 1,598,109,517,680 × 1,065,406,345,120
  4. Step 4: Simplify right side
    1,065,406,345,120x = 1,702,636,020,332,934,729,826,304
  5. Step 5: Solve for x
    x = 1,702,636,020,332,934,729,826,304/1,065,406,345,120
  6. Step 6: Final answer
    x = 1,598,109,517,680

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.